solve for x ---> 1/3(x^2-4) = 1/3x?

Question

answer is (1+or - square root 17)/2

Answer 1

1/3(x^2-4) = 1/3x

Multiply thru by 3, then subtract x from both sides

x² - x - 4 = 0

Solve with the quadratic formula and you'll get your answer

ax² + bx + c = 0
x = (-b ± √(b² - 4ac))/2a
.